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32643316441 = 157709293257
BaseRepresentation
bin11110011001101100…
…010111101011011001
310010020222011021212001
4132121230113223121
51013323142111231
622555055321001
72233634416531
oct363154275331
9103228137761
1032643316441
111293133487a
1263b0220161
133102bc3278
1418195244c1
15cb0c13b61
hex799b17ad9

32643316441 has 8 divisors (see below), whose sum is σ = 32897682440. Its totient is φ = 32389538688.

The previous prime is 32643316439. The next prime is 32643316457. The reversal of 32643316441 is 14461334623.

It can be written as a sum of positive squares in 4 ways, for example, as 5640610816 + 27002705625 = 75104^2 + 164325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32643316441 - 21 = 32643316439 is a prime.

It is a super-2 number, since 2×326433164412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32643316441.

It is not an unprimeable number, because it can be changed into a prime (32643316841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35316 + ... + 257941.

It is an arithmetic number, because the mean of its divisors is an integer number (4112210305).

Almost surely, 232643316441 is an apocalyptic number.

It is an amenable number.

32643316441 is a deficient number, since it is larger than the sum of its proper divisors (254365999).

32643316441 is a wasteful number, since it uses less digits than its factorization.

32643316441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294123.

The product of its digits is 124416, while the sum is 37.

The spelling of 32643316441 in words is "thirty-two billion, six hundred forty-three million, three hundred sixteen thousand, four hundred forty-one".

Divisors: 1 157 709 111313 293257 46041349 207919213 32643316441